oiltrapn.捕油器(集油槽)
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil passage to rocker shaft摇臂轴油路
oilfield electrical network油田电网
oil displacement experiment驱油试验
oil well production methods采油方法
oil-free screw compressor无油螺杆压缩机
oil-in-water dispersion油在水中弥散
oil-operated reverse gear油动换向装置
Oil patch sandstone in part部分油斑砂岩